Given a text, write a compressed version of it in a single sentence.

We want you as a true partner because we know you share our deep conviction that philanthropy is essential to our democratic society.
Be our partner because we share our deep conviction that philanthropy is essential to our society.

But natural games are not quite so straightforward. I begin by mentioning again the rather surprising no-free-lunch theorem proved by Bill Macready and David Wolpert as postdoctoral fellows at the Santa Fe Institute a few years ago.
Natural games aren't so straightforward plus the surprising no-free-lunch theorem proved by Bill Macready & David Wolpert, at Santa Fe Institute a few years ago.

I'll be brief on this first one, as I've got a doctor's appt. at 7 a.m., but I promise two more dispatches today, you lucky old dog.

On this I'll be brief, I have a doctor's appt. at 7 a.m., but I'll do two more today.

